Should the Geely Vision use 92 or 95 octane gasoline?
2 Answers
Geely Vision is equipped with a 1.5L naturally aspirated engine across all models, so 92 octane gasoline is sufficient for this vehicle. Gasolines with different octane ratings have varying levels of octane numbers—higher octane ratings indicate greater stability. Generally, 92 octane gasoline is adequate for naturally aspirated engines in family cars. Below is relevant information about selecting engine oil for the Geely Vision: 1. Choose engine oil based on the engine's requirements. There's no need to use high-grade oil in engines with lower requirements, nor should lower-grade oil be used in engines with higher demands. 2. Multi-grade oil is recommended as it is economical, long-lasting, efficient, and provides better protection for the engine. Due to the characteristics of multi-grade oil, phenomena such as premature darkening or lower oil pressure compared to conventional oil may occur during use, which are normal.
My Geely Vision has been running for five years, always fueled with 92-octane gasoline without any issues. There's a clear 92 label inside the fuel cap, and the manual explicitly recommends 92. Last time during maintenance, I asked the mechanic if I could try switching to 95. He said it's completely unnecessary—the engine's compression ratio is designed specifically for 92. Using 95 would only cost me an extra 20+ yuan per tank with no difference in power or fuel efficiency. Once, a gas station attendant recommended higher-octane fuel, but it felt exactly the same when driving. In fact, gasoline octane ratings only indicate anti-knock properties—higher numbers aren't necessarily better. What matters is the engine's requirements. Occasionally on long trips, I'll add a bottle of fuel system cleaner to remove carbon deposits, which is far more practical than switching to 95.
